Which of the following structures or organs is NOT part of the upper respiratory system?
a. nasal conchae
b. larynx
c. pharynx
d. internal nares

b.larynx

Explanation: Larynx is an organ located at the top of the neck,its incharge of breathing,Larynx is also called the voice box. its helps in production of sound and protecting the trachea against food aspiration. The larynx houses the vocal folds, and also control high and low pitch which is essential for phonation.

It also prevents the passage of food and other foreign particles into the lower respiratory tracts.

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

rising sea temps which are causing coral reefs to bleach and die out

glaciers are melting causing sea levels to rise wgich could flood out land

explanation: